Hardware manual

Issue 8 Electra Elite
5 - 8 Installing Electronic Telephone Units
3.1.2 Installation
Each system must have a CPUB( )-U( ) ETU in the CPU/
EXP slot of the basic B64-U10 KSU. Refer to Figure 5-7
CPUB( )-U( ) ETU.
Figure 5-7 CPUB( )-U( ) ETU
When the CPUB( )-U10 ETU is
installed in slots S1~S8, it will be
damaged!